idnr: 23

3			2


1			4

Difficulty: Super easy (0)

idnr: 251

	3
		1
	1
		2

Difficulty: Super easy (0)

idnr: 732

	2
1
			1
		4

Difficulty: Very easy (0)

idnr: 643

4
			3
1
			4

Difficulty: Super easy (0)